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RU2014109874A - METHOD AND SYSTEM FOR STARTING THE ENGINE - Google Patents

METHOD AND SYSTEM FOR STARTING THE ENGINE Download PDF

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Publication number
RU2014109874A
RU2014109874A RU2014109874/06A RU2014109874A RU2014109874A RU 2014109874 A RU2014109874 A RU 2014109874A RU 2014109874/06 A RU2014109874/06 A RU 2014109874/06A RU 2014109874 A RU2014109874 A RU 2014109874A RU 2014109874 A RU2014109874 A RU 2014109874A
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RU
Russia
Prior art keywords
engine
cylinder
amount
inlet
fuel
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Application number
RU2014109874/06A
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Russian (ru)
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RU2638118C2 (en
Inventor
Алекс О'Коннор ГИБСОН
Брэд Алан ВАНДЕРВЕГЕ
Синди ЧЖОУ
Цзяньвэнь Джеймс И
Джон Эрик РОЛЛИНДЖЕР
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Форд Глобал Технолоджис, ЛЛК
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Publication of RU2014109874A publication Critical patent/RU2014109874A/en
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Publication of RU2638118C2 publication Critical patent/RU2638118C2/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
    • F02D41/064—Introducing corrections for particular operating conditions for engine starting or warming up for starting at cold start
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
    • F02D41/126—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off transitional corrections at the end of the cut-off period
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/3005—Details not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0614—Actual fuel mass or fuel injection amount
    • F02D2200/0616—Actual fuel mass or fuel injection amount determined by estimation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/10—Introducing corrections for particular operating conditions for acceleration
    • F02D41/105—Introducing corrections for particular operating conditions for acceleration using asynchronous injection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N19/00—Starting aids for combustion engines, not otherwise provided for
    • F02N19/005—Aiding engine start by starting from a predetermined position, e.g. pre-positioning or reverse rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N19/00—Starting aids for combustion engines, not otherwise provided for
    • F02N19/005—Aiding engine start by starting from a predetermined position, e.g. pre-positioning or reverse rotation
    • F02N2019/008—Aiding engine start by starting from a predetermined position, e.g. pre-positioning or reverse rotation the engine being stopped in a particular position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/02—Parameters used for control of starting apparatus said parameters being related to the engine
    • F02N2200/021—Engine crank angle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/02—Parameters used for control of starting apparatus said parameters being related to the engine
    • F02N2200/022—Engine speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

1. Способ запуска двигателя, в котором:останавливают двигатель; ирегулируют объем топлива, подаваемый во впускной канал цилиндра в зависимости от остановки двигателя, а именно объем топлива, используемый в первом цикле сгорания после остановки двигателя.2. Способ по п. 1, в котором указанный объем топлива подают во впускной канал цилиндра через топливную форсунку впускного канала.3. Способ по п. 1, в котором дополнительно регулируют объем топлива, впрыскиваемого во впускной канал цилиндра в зависимости от положения остановки двигателя относительно нижней мертвой точки такта впуска цилиндра, принимающего топливо, подаваемое во впускной канал цилиндра.4. Способ по п. 3, в котором объем топлива, подаваемого во впускной канал цилиндра, увеличивают по мере того, как положение остановки двигателя переходит ближе к нижней мертвой точке на такте впуска цилиндра.5. Способ по п. 1, в котором объем топлива, подаваемого во впускной канал цилиндра, впрыскивают при открытом впускном клапане цилиндра, принимающего топливо, подаваемое во впускной канал цилиндра.6. Способ по п. 1, в котором дополнительно регулируют объем топлива, подаваемого во впускной канал цилиндра, в зависимости от частоты прокручивания двигателя.7. Способ по п. 1, в котором дополнительно регулируют объем топлива, подаваемого во впускной канал цилиндра, для выполнения второго такта сгорания после остановки двигателя, на основе расчетного объема топлива, которое не попало в цилиндр для выполнения первого цикла сгорания после остановки двигателя.8. Способ запуска двигателя, в котором:останавливают двигатель; ирегулируют объем топлива, подаваемого во впускной кана1. A method of starting an engine, in which: stop the engine; and adjusting the amount of fuel supplied to the inlet port of the cylinder depending on the stop of the engine, namely the amount of fuel used in the first combustion cycle after the engine is stopped. The method of claim 1, wherein said volume of fuel is supplied to the inlet port of the cylinder through an inlet port fuel injector. The method of claim 1, further comprising adjusting the amount of fuel injected into the inlet port of the cylinder depending on the stop position of the engine relative to the bottom dead center of the intake stroke of the cylinder receiving the fuel supplied to the inlet port of the cylinder. The method of claim 3, wherein the amount of fuel supplied to the inlet port of the cylinder is increased as the stop position of the engine moves closer to bottom dead center on the inlet stroke of the cylinder. The method of claim 1, wherein the volume of fuel supplied to the inlet port of the cylinder is injected while the inlet valve of the cylinder receiving the fuel supplied to the inlet port of the cylinder is open. The method of claim. 1, which further regulates the amount of fuel supplied to the inlet of the cylinder, depending on the frequency of cranking the engine. The method of claim 1, further comprising adjusting the amount of fuel supplied to the inlet of the cylinder to perform the second combustion stroke after the engine is stopped, based on the estimated amount of fuel that did not enter the cylinder for the first combustion cycle after the engine was stopped. A method for starting an engine, wherein: stopping the engine; regulate the amount of fuel supplied to the intake duct

Claims (20)

1. Способ запуска двигателя, в котором:1. The method of starting the engine, in which: останавливают двигатель; иstop the engine; and регулируют объем топлива, подаваемый во впускной канал цилиндра в зависимости от остановки двигателя, а именно объем топлива, используемый в первом цикле сгорания после остановки двигателя.regulate the amount of fuel supplied to the inlet of the cylinder depending on the engine stop, namely, the amount of fuel used in the first combustion cycle after the engine is stopped. 2. Способ по п. 1, в котором указанный объем топлива подают во впускной канал цилиндра через топливную форсунку впускного канала.2. The method according to p. 1, in which the specified amount of fuel is fed into the inlet channel of the cylinder through the fuel nozzle of the inlet channel. 3. Способ по п. 1, в котором дополнительно регулируют объем топлива, впрыскиваемого во впускной канал цилиндра в зависимости от положения остановки двигателя относительно нижней мертвой точки такта впуска цилиндра, принимающего топливо, подаваемое во впускной канал цилиндра.3. The method of claim 1, further comprising adjusting the amount of fuel injected into the cylinder inlet depending on the engine stop position relative to the bottom dead center of the intake stroke of the cylinder receiving the fuel supplied to the cylinder inlet. 4. Способ по п. 3, в котором объем топлива, подаваемого во впускной канал цилиндра, увеличивают по мере того, как положение остановки двигателя переходит ближе к нижней мертвой точке на такте впуска цилиндра.4. The method according to p. 3, in which the amount of fuel supplied to the inlet of the cylinder is increased as the engine stop position moves closer to the bottom dead point at the cylinder inlet stroke. 5. Способ по п. 1, в котором объем топлива, подаваемого во впускной канал цилиндра, впрыскивают при открытом впускном клапане цилиндра, принимающего топливо, подаваемое во впускной канал цилиндра.5. The method according to p. 1, in which the amount of fuel supplied to the inlet of the cylinder is injected with the inlet valve of the cylinder receiving the fuel supplied to the inlet of the cylinder open. 6. Способ по п. 1, в котором дополнительно регулируют объем топлива, подаваемого во впускной канал цилиндра, в зависимости от частоты прокручивания двигателя.6. The method according to p. 1, in which further regulate the amount of fuel supplied to the inlet of the cylinder, depending on the frequency of rotation of the engine. 7. Способ по п. 1, в котором дополнительно регулируют объем топлива, подаваемого во впускной канал цилиндра, для выполнения второго такта сгорания после остановки двигателя, на основе расчетного объема топлива, которое не попало в цилиндр для выполнения первого цикла сгорания после остановки двигателя.7. The method according to claim 1, in which the volume of fuel supplied to the cylinder inlet is further adjusted to perform a second combustion stroke after the engine is stopped, based on the estimated volume of fuel that did not enter the cylinder to complete the first combustion cycle after the engine stopped. 8. Способ запуска двигателя, в котором:8. The method of starting the engine, in which: останавливают двигатель; иstop the engine; and регулируют объем топлива, подаваемого во впускной канал цилиндра для выполнения первого цикла сгорания после остановки двигателя, в зависимости от положения в момент закрытия впускного клапана цилиндра относительно положения остановки двигателя.regulate the amount of fuel supplied to the cylinder inlet to complete the first combustion cycle after the engine is stopped, depending on the position at the time the cylinder inlet valve is closed relative to the engine stop position. 9. Способ по п. 8, в котором объем топлива, подаваемого во впускной канал, увеличивают по мере того, как положение остановки двигателя приближается к положению в момент закрытия впускного клапана.9. The method according to p. 8, in which the amount of fuel supplied to the inlet channel is increased as the engine stop position approaches the position at the time the intake valve is closed. 10. Способ по п. 8, в котором дополнительно регулируют объем топлива, подаваемого во впускной канал, в зависимости от частоты прокручивания двигателя.10. The method according to p. 8, in which further regulate the amount of fuel supplied to the inlet channel, depending on the frequency of rotation of the engine. 11. Способ по п. 8, в котором дополнительно регулируют объем топлива, подаваемого во впускной канал, в зависимости от положения остановки двигателя относительно нижней мертвой точки на такте впуска цилиндра.11. The method according to p. 8, in which further regulate the amount of fuel supplied to the inlet channel, depending on the stopping position of the engine relative to the bottom dead center at the cylinder inlet stroke. 12. Способ по п. 8, в котором дополнительно регулируют объем топлива, подаваемого во впускной канал двигателя, в зависимости от оценки объема топлива, которое не попало в цилиндр для выполнения первого цикла сгорания после остановки двигателя.12. The method according to p. 8, in which further regulate the amount of fuel supplied to the inlet of the engine, depending on the estimate of the amount of fuel that did not fall into the cylinder to perform the first combustion cycle after engine shutdown. 13. Способ по п. 8, в котором дополнительно регулируют объем топлива, подаваемого во впускной канал второго цилиндра для выполнения второго цикла сгорания после остановки двигателя, в зависимости от положения в момент закрытия впускного клапана второго цилиндра относительно положения остановки двигателя.13. The method according to p. 8, which further regulate the amount of fuel supplied to the inlet channel of the second cylinder to perform the second combustion cycle after the engine stops, depending on the position at the time of closing the inlet valve of the second cylinder relative to the engine stop position. 14. Система двигателя, содержащая:14. An engine system comprising: двигатель, содержащий цилиндр;an engine comprising a cylinder; топливную форсунку впускного канала, расположенную с возможностью подавать топливо в цилиндр; иa fuel nozzle of the inlet channel, located with the ability to supply fuel to the cylinder; and контроллер, содержащий инструкции, хранящиеся на постоянном запоминающем устройстве, для регулирования объема топлива, подаваемого через топливную форсунку впускного канала в цилиндр для выполнения первого цикла сгорания в цилиндре после остановки двигателя, причем объем топлива, подаваемого в цилиндр, регулируется в зависимости от значения частоты прокручивания двигателя вне зависимости от воздушного потока в двигателе.a controller containing instructions stored in read-only memory for regulating the amount of fuel supplied through the fuel nozzle of the inlet channel to the cylinder to perform the first combustion cycle in the cylinder after the engine is stopped, and the amount of fuel supplied to the cylinder is controlled depending on the value of the scroll frequency engine, regardless of the air flow in the engine. 15. Система двигателя по п. 14, которая содержит дополнительные инструкции для регулирования объема топлива, подаваемого в цилиндр, в зависимости от положения остановки двигателя.15. The engine system according to claim 14, which contains additional instructions for regulating the amount of fuel supplied to the cylinder, depending on the stopping position of the engine. 16. Система двигателя по п. 14, которая содержит дополнительные инструкции для регулирования объема топлива, подаваемого в цилиндр, в зависимости от положения в момент закрытия впускного клапана цилиндра относительно положения остановки двигателя.16. The engine system according to claim 14, which contains additional instructions for regulating the amount of fuel supplied to the cylinder, depending on the position at the time the cylinder inlet valve closes relative to the engine stop position. 17. Система двигателя по п. 14, которая дополнительно содержит второй цилиндр и дополнительные инструкции для регулирования объема топлива, подаваемого в цилиндр для выполнения второго цикла сгорания после остановки двигателя, в зависимости от частоты прокручивания двигателя.17. The engine system according to claim 14, which further comprises a second cylinder and additional instructions for regulating the amount of fuel supplied to the cylinder to perform a second combustion cycle after the engine is stopped, depending on the frequency of engine rotation. 18. Система двигателя по п. 14, которая содержит дополнительные инструкции для многократного впрыска топлива через топливную форсунку впускного канала во время такта впуска цилиндра до первого цикла сгорания.18. The engine system according to claim 14, which contains additional instructions for repeatedly injecting fuel through the fuel nozzle of the inlet channel during a cylinder intake stroke before the first combustion cycle. 19. Система двигателя по п. 14, в которой предусмотрено снижение объема топлива, подаваемого в двигатель через топливную форсунку впускного канала, по мере увеличения частоты прокручивания двигателя.19. The engine system according to claim 14, which provides for a decrease in the amount of fuel supplied to the engine through the fuel nozzle of the inlet channel as the engine scrolling frequency increases. 20. Система двигателя по п. 14, которая содержит дополнительные инструкции для автоматического запуска двигателя. 20. The engine system according to claim 14, which contains additional instructions for automatically starting the engine.
RU2014109874A 2013-03-14 2014-03-14 Method and system for engine start RU2638118C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/826,129 US9261040B2 (en) 2013-03-14 2013-03-14 Method for improving engine starting
US13/826,129 2013-03-14

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RU2014109874A true RU2014109874A (en) 2015-09-20
RU2638118C2 RU2638118C2 (en) 2017-12-11

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CN (1) CN104047751B (en)
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US9261040B2 (en) 2016-02-16
RU2638118C2 (en) 2017-12-11

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